KR101035514B1 - Fire Retardant Composite Fiber Reinforcing Panel including Safety Belt, Manufacturing Method, and Concrete Structure Reinforcing Method using thereof - Google Patents

Fire Retardant Composite Fiber Reinforcing Panel including Safety Belt, Manufacturing Method, and Concrete Structure Reinforcing Method using thereof Download PDF

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KR101035514B1
KR101035514B1 KR1020090023533A KR20090023533A KR101035514B1 KR 101035514 B1 KR101035514 B1 KR 101035514B1 KR 1020090023533 A KR1020090023533 A KR 1020090023533A KR 20090023533 A KR20090023533 A KR 20090023533A KR 101035514 B1 KR101035514 B1 KR 101035514B1
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fiber
reinforcing
flame
flame retardant
seat belt
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KR1020090023533A
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Korean (ko)
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KR20100104854A (en
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장득훈
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유암이엔씨(주)
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/18—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length in the form of a mat, e.g. sheet moulding compound [SMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Textile Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

본 발명은 자동차의 안전벨트와 같은 평벨트 형태로 직조된 안전벨트가 내장된 난연성 복합섬유 보강판에 관한 것으로서, 보다 상세히는 평벨트 형태로 직조되고 난연성 수지에 함침되어 인발성형되는 보강용안전벨트(100); 난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)의 상부면 및 하부면 각각에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 일방향섬유층(200); 상기 보강용안전벨트(100)의 하부에 위치하는 상기 일방향섬유층(200)의 하부면에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 방염원단층(500); 및, 적층이 완료된 상부 외부면, 또는 상하부 외부면의 양측에 형성되는 접착강화요철부(300);를 포함하여 구성되는 안전벨트가 내장된 난연성 복합섬유 보강판, 이의 제조방법, 및 이를 이용한 콘크리트 구조물 보강공법에 관한 것이다.The present invention relates to a flame retardant composite fiber reinforcement plate with a built-in safety belt woven in the form of a flat belt, such as a seat belt of an automobile, in more detail is woven in the form of a flat belt and impregnated in a flame-retardant resin is reinforced molding belt 100; One-way fiber layer 200 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on each of the upper and lower surfaces of the reinforcing safety belt 100 is impregnated with a flame-retardant resin first; Flame retardant fabric layer 500 is laminated in the longitudinal direction in the state impregnated with a flame-retardant resin on the lower surface of the one-way fiber layer 200 located in the lower portion of the reinforcing seat belt 100; And an adhesive strengthening concave-convex part 300 formed on both sides of the upper outer surface, or the upper and lower outer surfaces of which the lamination is completed, the flame-retardant composite fiber reinforcement plate having a seat belt configured to include a manufacturing method thereof, and concrete using the same. It relates to the structure reinforcement method.

보강용안전벨트, 일방향섬유층, 방염원단층, 접착강화요철부, 접착강화구멍부 Reinforcing seat belt, unidirectional fiber layer, flame retardant fabric layer, adhesive reinforced irregularities, adhesive reinforced hole

Description

안전벨트가 내장된 난연성 복합섬유 보강판, 이의 제조방법 및 이를 이용한 콘크리트구조물 보강공법{Fire Retardant Composite Fiber Reinforcing Panel including Safety Belt, Manufacturing Method, and Concrete Structure Reinforcing Method using thereof}Fire retardant composite fiber reinforcing panel including safety belt, manufacturing method, and concrete structure reinforcing method using

본 발명은 자동차의 안전벨트와 같은 평벨트 형태로 직조된 안전벨트가 내장된 난연성 복합섬유 보강판에 관한 것으로서, 보다 상세히는 합성섬유가 평벨트 형태로 직조되고 난연성 수지에 함침되어 인발성형되는 보강용안전벨트(100); 난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)의 상부면 및 하부면 각각에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 일방향섬유층(200); 상기 보강용안전벨트(100)의 하부에 위치하는 상기 일방향섬유층(200)의 하부면에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 방염원단층(500); 및, 적층이 완료된 상부 외부면, 또는 상하부 외부면의 양측에 형성되는 접착강화요철부(300);를 포함하여 구성되는 안전벨트가 내장된 난연성 복합섬유 보강판, 이의 제조방법, 및 이를 이용한 콘크리트 구조물 내진 보강공법에 관한 것이다.The present invention relates to a flame retardant composite fiber reinforcement plate with a built-in seat belt woven in the form of a flat belt, such as a seat belt of an automobile, in more detail, a synthetic fiber is woven in a flat belt form and impregnated in a flame-retardant resin is pulled molded Seat belt 100; One-way fiber layer 200 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on each of the upper and lower surfaces of the reinforcing safety belt 100 is impregnated with a flame-retardant resin first; Flame retardant fabric layer 500 is laminated in the longitudinal direction in the state impregnated with a flame-retardant resin on the lower surface of the one-way fiber layer 200 located in the lower portion of the reinforcing seat belt 100; And an adhesive strengthening concave-convex part 300 formed on both sides of the upper outer surface, or the upper and lower outer surfaces of which the lamination is completed, the flame-retardant composite fiber reinforcement plate having a seat belt configured to include a manufacturing method thereof, and concrete using the same. It relates to the seismic reinforcement method of the structure.

콘크리트구조물을 보강하는 방법으로는 일반적으로 강판을 이용한 보강공법, 탄소섬유시트를 이용한 보강공법, 유리섬유시트를 이용한 보강공법, 아라미드섬유시트를 이용한 보강공법, 또는 이러한 섬유(탄소섬유, 유리섬유 또는 아리미드섬유)를 이용하여 제작된 각종 섬유보강판을 이용한 보강공법 등이 알려져 있다. As a method of reinforcing concrete structures, generally, reinforcing methods using steel sheets, reinforcing methods using carbon fiber sheets, reinforcing methods using glass fiber sheets, reinforcing methods using aramid fiber sheets, or such fibers (carbon fibers, glass fibers or Reinforcing methods using various fiber reinforcing plates produced using arimid fibers) are known.

그러나 이러한 보강재나 보강공법들은 한결같이 화재에 취약한 폴리에스테르 또는 에폭시계 합성수지를 사용하고 있어 화재시 귀중한 인명의 손실은 물론 막대한 재산상의 피해를 유발하는 문제점이 있다.However, these reinforcing materials or reinforcing methods are using a polyester or epoxy-based synthetic resin that is vulnerable to fire consistently, there is a problem that causes a significant property damage as well as loss of valuable lives in the event of fire.

특히 최근 화재사고의 인명손실은 대부분 화재시 발생되는 유독가스에 기인하는 바, 보강재 본래의 성능을 유지하면서 화재시 유독가스의 발생을 최소화할 수 있는 콘크리트구조물 보강용 난연성 보강재 및 이를 사용한 콘크리트 구조물 보강공법 개발이 절실히 요구되고 있는 실정이다.In particular, most of the loss of life in recent fire accidents is due to toxic gases generated in the fire. Therefore, the fire retardant reinforcement for reinforcing concrete structures that can minimize the generation of toxic gases in the fire while maintaining the original performance of the reinforcing materials and reinforcing concrete structures using the same There is an urgent need for the development of public methods.

상기한 문제점을 해결하기 위하여 창작된 본 발명은 콘크리트구조물의 보강시 섬유강화패널에 난연성 수지와 방염원단을 구비한 난연성 복합섬유 보강판을 사용함으로써, 구조물의 보강과 함께 화재가 발생하더라도 유독가스의 발생을 최소화하여 귀중한 인명 손실을 방지하는 것을 그 목적으로 한다.The present invention created to solve the above problems by using a flame-retardant composite fiber reinforcement plate having a flame-retardant resin and flame retardant fabric in the fiber reinforced panel when reinforcing the concrete structure, even if a fire occurs with the reinforcement of the structure The aim is to minimize the occurrence and to prevent the loss of valuable lives.

상기한 목적을 달성하기 위하여 창작된 본 발명의 기술적 구성은 다음과 같다.Technical composition of the present invention created to achieve the above object is as follows.

본 발명은 평벨트 형태로 직조되고 난연성 수지에 함침되어 인발성형되는 보강용안전벨트(100); 난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)의 상부면 및 하부면 각각에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 일방향섬유층(200); 상기 보강용안전벨트(100)의 하부에 위치하는 상기 일방향섬유층(200)의 하부면에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 방염원단층(500); 및, 적층이 완료된 상부 외부면, 또는 상하부 외부면의 양측에 형성되는 접착강화요철부(300);를 포함하여 구성된다.The present invention is a reinforcing seat belt 100 is woven in the form of a flat belt and impregnated in a flame-retardant resin is pulled out; One-way fiber layer 200 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on each of the upper and lower surfaces of the reinforcing safety belt 100 is impregnated with a flame-retardant resin first; Flame retardant fabric layer 500 is laminated in the longitudinal direction in the state impregnated with a flame-retardant resin on the lower surface of the one-way fiber layer 200 located in the lower portion of the reinforcing seat belt 100; And an adhesive strengthening concave-convex portion 300 formed on both sides of the upper outer surface, or the upper and lower outer surfaces of which the lamination is completed.

또한 본 발명은 안전벨트가 내장된 난연성 복합섬유 보강판의 제조방법 및 이를 이용한 콘크리트 구조물 내진보강공법에 관한 내용도 함께 제시한다.In addition, the present invention also proposes a method for manufacturing a flame retardant composite fiber reinforcement plate with a seat belt and concrete seismic reinforcement method using the same.

본 발명의 구성에 따른 기술적 효과는 다음과 같다.Technical effects of the configuration of the present invention are as follows.

첫째, 방염원단을 구비한 난연성 복합섬유 보강판(10)을 사용하여 콘크리트구조물을 보강하게 되면 구조물의 보강과 함께 화재가 발생하더라도 유독가스의 발생을 최소화하여 귀중한 인명 손실을 방지할 수 있다.First, by using a flame retardant composite fiber reinforcement plate (10) having a flame retardant fabric to reinforce the concrete structure can minimize the generation of toxic gas even if a fire occurs along with the reinforcement of the structure to prevent valuable loss of life.

둘째, 일방향으로 갈라짐 현상을 방지할 수 있다.Second, it is possible to prevent the split phenomenon in one direction.

다시 말하면, 일방향섬유층(200) 사이에 평벨트 형태로 직조된 보강용안전벨트(100)가 내장되어 난연성 복합섬유 보강판(10)의 일방향 갈라짐 현상을 방지할 수 있다.In other words, the one-way fiber layer 200 between the reinforcing seat belt woven in the form of a flat belt is embedded to prevent the one-way cracking phenomenon of the flame retardant composite fiber reinforcing plate 10.

셋째, 연성이 향상되어 급격한 취성파괴를 방지할 수 있다.Third, ductility is improved to prevent sudden brittle fracture.

다시 말하면, 도3에 도시된 바와 같이 연성을 가지는 평벨트 형태로 직조되어 1차 경화된 보강용안전벨트(100)가 내장되어 난연성 복합섬유 보강판(10)의 나머지 부분에서 취성파괴 현상이 발생하더라도 보강용안전벨트(100)의 연성거동을 통하여 난연성 복합섬유 보강판(10) 전체의 취성파괴를 방지하고 지진과 같은 재난 발생시에도 구조물의 급격한 붕괴를 방지하여 인명 및 재산손실을 최소화할 수 있다.In other words, as illustrated in FIG. 3, a brittle fracture phenomenon occurs in the remaining portion of the flame retardant composite fiber reinforcing plate 10, in which a reinforcing safety belt 100 that is firstly hardened by being woven into a flat belt shape having a ductility is embedded. Even though it prevents brittle fracture of the entire flame retardant composite fiber reinforcement plate 10 through the ductile behavior of the reinforcing seat belt 100 and prevents the sudden collapse of the structure even during a disaster such as an earthquake, it can minimize the loss of life and property. .

이하에서는 본 발명의 구체적 실시예를 첨부도면을 참조하여 보다 상세히 설명한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 난연성 복합섬유 보강판(10)의 구체적 실시예들로서, (a)는 일측 외부면에만 접착강화요철부(300)가 형성된 경우이고, (b)는 접착강화골재가 더 부착된 경우이고, (c)는 양측 외부면에 접착강화요철부(300)가 형성된 경우이다.Figure 1 is a specific embodiment of the flame retardant composite fiber reinforcement plate 10 according to the present invention, (a) is the case where the adhesion-reinforcement uneven portion 300 is formed only on one side of the outer surface, (b) is more adhesion-reinforced aggregate (C) is the case where the adhesion-reinforcement uneven portion 300 is formed on both outer surfaces.

보강용안전벨트(100)는 평벨트 형태로 직조된 섬유가 난연성 수지에 함침되어 1차적으로 인발성형 된다.The reinforcing seat belt 100 is primarily formed by drawing fibers woven into a flat belt form by impregnating the flame retardant resin.

이러한 난연성 수지에 1차 함침되어 경화된 보강용안전벨트(100)는 다시 일방향섬유층(200) 및 방염원단층(500)과 함께 난연성 수지에 함침된 후 금형을 통과하도록 인발성형되어 일체형으로 경화된다.The reinforcing seat belt 100, first impregnated and cured by the flame retardant resin, is impregnated with the flame retardant resin together with the one-way fiber layer 200 and the flame retardant fabric layer 500, and then molded to be pulled through the mold and cured into an integrated body. .

보강용안전벨트(100)는 도2(a)에 도시된 과정에서 난연성 수지에 함침되어 인발성형되는 1차 성형이 이루어진 후 다시 도2(b)에 도시된 바와 같이 일방향섬유층(200) 및 방염원단층(500)과 함께 난연성 수지에 함침되어 인발성형되는 2차 성형이 이루어지게 되어, 일방향섬유층(200)과 방염원단층(500) 부분에서 발생된 취성파괴 현상이 곧 바로 보강용안전벨트(100)로 전달되는 현상을 방지할 수 있다. The reinforcing seat belt 100 is unidirectional fiber layer 200 and flame retardant as shown in FIG. Secondary molding is performed by impregnating the flame retardant resin with the fabric layer 500 and forming a pull-out, and the brittle fracture phenomenon generated in the one-way fiber layer 200 and the flame retardant fabric layer 500 is immediately reinforced with a safety belt ( 100 can be prevented from being transferred.

이와 같이 평벨트 형태로 직조되어 1차 경화된 보강용안전벨트(100)가 내장되어 난연성 복합섬유 보강판(10)의 나머지 부분에서 취성파괴 현상이 발생하더라도 보강용안전벨트(100)의 독자적인 연성거동을 통하여 난연성 복합섬유 보강판(10) 전체의 취성파괴를 방지하고 지진과 같은 재난 발생시에도 구조물의 급격한 붕괴를 방지하여 인명 및 재산손실을 최소화할 수 있다.As described above, even when the brittle fracture phenomenon occurs in the rest of the flame retardant composite fiber reinforcing plate 10 due to the built-in reinforcing safety belt 100 woven in the form of a flat belt, the ductility of the reinforcing safety belt 100 is unique. The behavior prevents brittle fracture of the entire flame retardant composite fiber reinforcement plate 10 and prevents sudden collapse of the structure even during a disaster such as an earthquake, thereby minimizing life and property loss.

일방향섬유층(200)의 일측 또는 양측 외부면에는 도1에 도시된 바와 같이 접 착강화요철부(300)가 형성되는데, 이러한 접착강화요철부(300)는 도2에 도시된 바와 같이 난연성 수지에 함침된 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)이 함께 인발성형되어 몰드(금형)을 통과하는 과정에서 몰드의 단면 형태에 따라 자동적으로 형성된다.One or both outer surfaces of the unidirectional fiber layer 200, as shown in Figure 1, the adhesive reinforced concave portion 300 is formed, this adhesive reinforced concave portion 300 is shown in the flame-retardant resin The impregnated reinforcing seat belt 100, the unidirectional fiber layer 200, and the flame retardant fabric layer 500 are pulled together and automatically formed according to the cross-sectional shape of the mold in the process of passing through the mold (mold).

즉 몰드의 상하부면에 요철이 형성되어 있으면 접착강화요철부(300)가 도1(c)에 도시된 바와 같은 형태가 되고, 금형의 상하부면 가운데 어느 일측에만 요철이 형성되어 있으면 접착강화요철부(300)가 도1(a)에 도시된 바와 같이 방염원단층(500)이 적층되지 않는 보강용안전벨트(100)의 상부에 위치하는 일방향섬유층(200)의 상부면에 구비되는 형태가 된다.In other words, if the irregularities are formed on the upper and lower surfaces of the mold, the adhesion-reinforcing irregularities 300 are as shown in Fig. 1 (c), and if the irregularities are formed only on one side of the upper and lower surfaces of the mold, As shown in FIG. 1 (a), 300 is formed on the upper surface of the one-way fiber layer 200 located on the top of the reinforcing seat belt 100 in which the flame retardant fabric layer 500 is not laminated. .

접착강화요철부(300)가 형성되어 있지 않는 부분은 도1(b)에 도시된 바와 같이 별도의 접착강화골재(50)가 부착되기도 한다.The portion where the adhesive strengthening uneven portion 300 is not formed may be attached to a separate adhesive strengthening aggregate 50 as shown in FIG.

보강용안전벨트(100)는 유리섬유, 아라미드섬유, 폴리프로필렌섬유, 폴리에틸렌섬유, 또는 폴리아세탈섬유를 평벨트 형태로 직조한 것이다.The reinforcing seat belt 100 is a glass fiber, aramid fiber, polypropylene fiber, polyethylene fiber, or polyacetal fiber woven in the form of a flat belt.

보강용안전벨트(100)를 유리섬유로 직조한 경우 보강용안전벨트(100)의 상부면 및 하부면에 적층되는 일방향섬유층(200)은 유리섬유(연신율 2.0% 이상)보다 연신율은 작으나 인장강도가 큰 탄소섬유(연신율 1.5% 내외) 또는 아라미드 섬유(연신율 1.8% 내외) 가운데 어느 하나로 구성되는 것이 바람직하다.When the reinforcing seat belt 100 is woven from glass fiber, the unidirectional fiber layer 200 laminated on the upper and lower surfaces of the reinforcing seat belt 100 has a smaller elongation than the glass fiber (elongation of 2.0% or more), but tensile strength. It is preferable to be composed of either a large carbon fiber (about 1.5% elongation) or aramid fiber (about 1.8% elongation).

보강용안전벨트(100)를 아라미드섬유로 직조한 경우 보강용안전벨트(100)의 상부면 및 하부면에 적층되는 일방향섬유층(200)은 아라미드섬유(연신율 3.0% 이상의 고신율 아라미드 섬유를 사용)보다 연신율은 작으나 인장강도가 큰 탄소섬유(연 신율 1.5% 내외) 또는 유리섬유(연신율 2.0% 내외) 가운데 어느 하나로 구성되는 것이 바람직하다.When the reinforcing seat belt 100 is woven with aramid fibers, the unidirectional fiber layer 200 laminated on the upper and lower surfaces of the reinforcing seat belt 100 is aramid fibers (using high elongation aramid fibers of 3.0% or more elongation). The elongation is smaller, but the tensile strength is preferably made of either carbon fiber (about 1.5% elongation) or glass fiber (about 2.0% elongation).

보강용안전벨트(100)를 폴리프로필렌섬유로 직조한 경우 보강용안전벨트(100)의 상부면 및 하부면에 적층되는 일방향섬유층(200)은 폴리프로필렌섬유(연신율 500 내지 1200%)보다 연신율은 작으나 인장강도가 큰 탄소섬유(연신율 1.5% 내외), 유리섬유(연신율 2.0%) 또는 아라미드 섬유(연신율 1.8% 내외) 가운데 어느 하나로 구성되는 것이 바람직하다.When the reinforcing seat belt 100 is woven from polypropylene fiber, the unidirectional fiber layer 200 laminated on the upper and lower surfaces of the reinforcing seat belt 100 has a higher elongation than the polypropylene fiber (elongation of 500 to 1200%). It is preferable to be composed of any one of carbon fiber (elongation of about 1.5% elongation), glass fiber (elongation of 2.0%) or aramid fiber (elongation of about 1.8% elongation) which is small but has high tensile strength.

보강용안전벨트(100)를 폴리에틸렌섬유로 직조한 경우 보강용안전벨트(100)의 상부면 및 하부면에 적층되는 일방향섬유층(200)은 폴리에틸렌섬유(연신율 500 내지 1200%)보다 연신율은 작으나 인장강도가 큰 탄소섬유(연신율 1.5% 내외), 유리섬유(연신율 2.0%) 또는 아라미드 섬유(연신율 1.8% 내외) 가운데 어느 하나로 구성되는 것이 바람직하다.When the reinforcing seat belt 100 is woven from polyethylene fiber, the unidirectional fiber layer 200 laminated on the upper and lower surfaces of the reinforcing seat belt 100 has a smaller elongation than the polyethylene fiber (elongation of 500 to 1200%) but is tensile. It is preferable to be composed of any one of high strength carbon fiber (about 1.5% elongation), glass fiber (elongation 2.0%) or aramid fiber (about 1.8% elongation).

보강용안전벨트(100)를 폴리아세탈섬유로 직조한 경우 보강용안전벨트(100)의 상부면 및 하부면에 적층되는 일방향섬유층(200)은 폴리아세탈섬유(연신율 500 내지 1200%)보다 연신율은 작으나 인장강도가 큰 탄소섬유(연신율 1.5% 내외), 유리섬유(연신율 2.0%) 또는 아라미드 섬유(연신율 1.8% 내외) 가운데 어느 하나로 구성되는 것이 바람직하다.When the reinforcing seat belt 100 is woven with polyacetal fiber, the unidirectional fiber layer 200 laminated on the upper and lower surfaces of the reinforcing seat belt 100 has a higher elongation than the polyacetal fiber (elongation of 500 to 1200%). It is preferable to be composed of any one of carbon fiber (elongation of about 1.5% elongation), glass fiber (elongation of 2.0%) or aramid fiber (elongation of about 1.8% elongation) which is small but has high tensile strength.

다시 말하면 일방향섬유층(200)을 구성하는 섬유는 보강용안전벨트(100)를 구성하는 섬유보다 연신율은 작고 인장강도는 크다.In other words, the fibers constituting the unidirectional fiber layer 200 has a smaller elongation and a higher tensile strength than the fibers constituting the reinforcing seat belt 100.

보강용안전벨트(100)는 도1에 도시된 바와는 달리 일방향섬유층(200) 사이에 다수 장이 중첩되도록 적층될 수도 있다.Reinforcing seat belt 100 may be laminated so that a plurality of sheets overlap between the one-way fiber layer 200, unlike shown in FIG.

방염원단층(500)은 하부에 위치하는 일방향섬유층(200)의 하부면에 난연성 수지에 함침된 상태로 길이 방향으로 적층된다.Flame retardant layer 500 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on the lower surface of the one-way fiber layer 200 located below.

방염원단층(500)은 콘크리트구조물 보강시 외부면을 형성하게 되는데, 난연성 수지와 함께 화재 발생시 불에 타지 않아 유독가스 발생을 방지할 수 있다.Flame retardant layer 500 is to form the outer surface when reinforcing the concrete structure, it is possible to prevent the generation of toxic gas is not burned when the fire occurs along with the flame-retardant resin.

방염원단층(500)을 구성하는 방염원단은 다양한 제품이 시중에 유통되고 있으며, 이들 제품 가운데 하나를 선택할 수 있다. Flame retardant fabric constituting the flame retardant layer 500 is a variety of products are on the market, one of these products can be selected.

본 발명의 구체적 실시예에서는 포스페이트 하이브리드 폴리머(phosphate hybrid polymer)라는 난연성 수지를 사용하였으나, 난연성 수지의 경우에도 다양한 제품이 시중에 유통되고 있는 바, 이들 가운데 하나를 선택하면 된다.In a specific embodiment of the present invention, a flame retardant resin called a phosphate hybrid polymer is used, but in the case of a flame retardant resin, various products are circulated on the market, and one of them may be selected.

도2(a)는 보강용안전벨트(100)의 제조 과정(방법)을 도시하고, 도2(b)는 난연성 수지에 함침되어 1차 경화된 보강용안전벨트(100)를 이용하여 난연성 복합섬유 보강판(10)을 제조하는 과정을 도시하고, 도3은 펀칭단계를 도시한다.Figure 2 (a) shows the manufacturing process (method) of the reinforcing seat belt 100, Figure 2 (b) is a flame retardant composite using a reinforcing seat belt 100 hardened primarily by impregnating the flame-retardant resin A process of manufacturing the fiber reinforcement plate 10 is shown, and FIG. 3 shows a punching step.

(1) 1차성형단계(1) First molding step

보강용안전벨트(100)를 구성하는 평벨트 형태로 직조된 섬유를 난연성 수지에 함침하고 인발성형하는 단계이다.It is a step of impregnating the fiber woven in the form of a flat belt constituting the reinforcing seat belt 100 in the flame-retardant resin and pultrusion.

이와 같이 본 발명의 경우 보강용안전벨트(100)가 일방향섬유층(200)이나 방염원단층(500)과 별도로 먼저 경화된다.As described above, in the case of the present invention, the reinforcing seat belt 100 is first cured separately from the unidirectional fiber layer 200 or the flame retardant fabric layer 500.

(2) 함침단계(2) impregnation step

난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)와 함께 일방향섬유층(200)을 구성하는 일방향섬유(탄소섬유, 유리섬유 또는 아라미드섬유) 및 방염원단층(500)을 구성하는 방염원단을 난연성 수지에 함침하는 단계이다.Flame retardant constituting the unidirectional fibers (carbon fibers, glass fibers or aramid fibers) and the flame retardant fabric layer 500 constituting the unidirectional fiber layer 200 with the reinforcing safety belt 100 impregnated with a flame-retardant resin first A step of impregnating the fabric into the flame retardant resin.

(3) 인발성형단계(3) drawing molding step

함침단계를 거친 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)의 일측 또는 양측 외부면에 접착강화요철부(300)의 단면이 형성되도록 인발하여 몰드를 통과시키면서 가열하는 단계이다.Pulled through the mold by drawing so that the cross-section of the adhesive reinforcing concave portion 300 is formed on one or both outer surfaces of the reinforcing seat belt 100, the unidirectional fiber layer 200, and the flame retardant fabric layer 500 after the impregnation step. It's a step.

도4는 난연성 복합섬유 보강판(10)을 이용한 보강공법의 구체적 실시예가 도시되어 있다.Figure 4 shows a specific embodiment of the reinforcement method using a flame retardant composite fiber reinforcement plate (10).

(1) 제1단계(1) First step

열화, 노화, 또는 중성화 등의 이유로 부실화된 콘크리트 표면을 제거하고 보강대상 바탕면(620)을 형성하는 단계이다.The deterioration, aging, or neutralization may be performed to remove the injured concrete surface and form the base surface 620 to be reinforced.

필요한 경우에는 균열 부분을 보수하거나 노출된 철근의 방청작업이 함께 수반될 수 있고 평탄한 바탕면을 확보하기 위한 단면복구 작업이 수반될 수도 있다.If necessary, repair of cracks or rust prevention of exposed rebar may be accompanied, and cross-sectional recovery may be accompanied to ensure a flat base surface.

(2) 제2단계(2) second stage

보강대상 바탕면(620)에 에폭시접착제(630)를 공극이 발생되지 않도록 골고루 도포하는 단계이다.The epoxy adhesive 630 is evenly applied to the base surface 620 of the reinforcement to prevent voids from occurring.

본 발명의 구체적 실시예에서는 주제와 경화제를 배합비율에 따라 혼합하여 사용하는 PE-808이라는 에폭시접착제(630)를 사용하였으며, 고무주걱 등을 사용하 여 3 내지 5 mm 정도의 두께로 골고루 도포하는데, 보강대상 바탕면(620)에 오목한 공극이 있을 경우에는 이러한 공극을 에폭시접착제(630)로 채우는 메꿈작업을 한다.In a specific embodiment of the present invention, an epoxy adhesive 630 called PE-808, which is used by mixing the main agent and the curing agent according to the mixing ratio, is used to uniformly apply the thickness of 3 to 5 mm using a rubber spatula or the like. If there are concave pores in the base surface 620 to be reinforced, the filling operation is performed to fill these pores with the epoxy adhesive 630.

이러한 에폭시접착제(630)는 보강대상 바탕면(620)의 중앙부가 주변부보다 약간 두터운 형태가 되도록 도포하는 것이 바람직하다.The epoxy adhesive 630 is preferably applied so that the center portion of the base surface 620 to be reinforced is slightly thicker than the peripheral portion.

(3) 제3단계(3) third stage

난연성 복합섬유 보강판(10)의 접착강화요철부(300)에 에폭시접착제(630)를 공극이 발생되지 않도록 골고루 도포하는 단계이다.It is a step of evenly applying the epoxy adhesive 630 to the adhesive reinforcing concave-convex portion 300 of the flame retardant composite fiber reinforcing plate 10 so as not to generate voids.

고무주걱을 이용하여 상하좌우방향으로 힘주어 압박하듯이 문질러 공극이 발생되지 않도록 도포하는데 도포 두께가 0.5 mm 이하가 되도록 한다.Use a rubber spatula to apply pressure so that it does not generate voids by pressing it in up, down, left and right directions so that the coating thickness is 0.5 mm or less.

(4) 제4단계(4) 4th step

난연성 복합섬유 보강판(10)의 접착강화요철부(300)을 보강대상 바탕면(620)에 밀착시키는 단계이다.The step of adhering the adhesive reinforcing concave portion 300 of the flame retardant composite fiber reinforcing plate 10 to the base surface 620 to be reinforced.

이 경우 방염원단층(500)이 외부를 향하도록 한다. 또한 도포된 에폭시접착제(630)가 난연성 복합섬유 보강판(10)의 양측 테두리부에 형성된 접착강화구멍부(400)를 통하여 밀려 나오도록 난연성 복합섬유 보강판(10)을 압착한다.In this case, the flame retardant layer 500 faces the outside. In addition, the flame-retardant composite fiber reinforcement plate 10 is compressed so that the applied epoxy adhesive 630 is pushed out through the adhesive reinforcing hole 400 formed on both edge portions of the flame retardant composite fiber reinforcement plate 10.

(5) 제5단계(5) 5th step

난연성 복합섬유 보강판(10)을 관통하여 보강대상 바탕면(620)에 앵커홀을 천공하고 앵커볼트(640)를 설치하는 단계이다.Through the flame-retardant composite fiber reinforcing plate 10 is a step of drilling the anchor hole in the base surface 620 to be reinforced and install the anchor bolt 640.

즉 난연성 복합섬유 보강판(10)이 보강대상 바탕면(620)에 부착된 상태에서 전동드릴을 사용하여 난연성 복합섬유 보강판(10)과 보강대상 바탕면(620)의 일정 깊이까지 관통하는 앵커홀을 수직으로 천공한 후 앵커볼트(640)를 설치한다.That is, the flame-retardant composite fiber reinforcement plate 10 is anchored to a predetermined depth of the flame retardant composite fiber reinforcement plate 10 and the reinforcement target surface 620 using a power drill in a state that is attached to the base surface 620 to be reinforced. After drilling the hole vertically, install the anchor bolt 640.

(6) 제6단계(6) 6th step

난연성 복합섬유 보강판(10)의 외부로 돌출된 앵커볼트(640)의 상단부에 너트(650)를 체결하여 보강대상 바탕면(620)에 부착된 난연성 복합섬유 보강판(10)이 박리되는 것을 방지한다. When the flame retardant composite fiber reinforcement plate 10 attached to the base surface 620 to be reinforced is fastened by fastening the nut 650 to the upper end of the anchor bolt 640 protruding to the outside of the flame retardant composite fiber reinforcement plate 10. prevent.

이와 같은 단계가 완료되면 현장 정리 및 검수 후 시공을 완료한다.Once these steps are completed, the construction is completed after site cleanup and inspection.

도5는 섬유강화패널(400)을 이용한 콘크리트구조물의 보강공법에 관한 다른 구체적 실시예로서, 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 공간에 에폭시접착제(630)를 주입하는 방법으로 보강한다.5 is another specific embodiment of the reinforcing method of the concrete structure using the fiber reinforced panel 400, the epoxy adhesive 630 is injected into the space between the base surface 620 to be reinforced and the fiber reinforced panel 400 Reinforce in a way.

(1) 제1단계(1) First step

열화, 노화, 또는 중성화 등의 이유로 부실화된 콘크리트 표면을 제거하고 보강대상 바탕면(620)을 형성하는 단계이다. The deterioration, aging, or neutralization may be performed to remove the injured concrete surface and form the base surface 620 to be reinforced.

필요한 경우에는 균열 부분을 보수하거나 노출된 철근의 방청작업이 함께 수반될 수 있고 평탄한 바탕면을 확보하기 위한 단면복구 작업이 수반될 수도 있다.If necessary, repair of cracks or rust prevention of exposed rebar may be accompanied, and cross-sectional recovery may be accompanied to ensure a flat base surface.

(2) 제2단계(2) second stage

섬유강화패널(400)을 관통하여 보강대상 바탕면(620)에 앵커홀을 천공하고 앵커볼트(640)를 설치하는 단계이다.Penetrating the anchor hole through the fiber reinforced panel 400 to the base surface 620 to be reinforced and installs the anchor bolt 640.

즉 섬유강화패널(400)을 보강대상 바탕면(620)에 밀착시킨 상태에서 전동드 릴을 사용하여 섬유강화패널(400)과 보강대상 바탕면(620)의 일정 깊이까지 관통하는 앵커홀을 수직으로 천공한 후 보강대상 바탕면(620)에 앵커볼트(640)를 설치한다.That is, the anchor hole penetrates up to a predetermined depth of the fiber reinforced panel 400 and the reinforcement target surface 620 by using an electric drill in a state in which the fiber reinforced panel 400 is closely attached to the reinforcement target surface 620. After drilling to install the anchor bolt 640 on the base surface 620 to be reinforced.

(3) 제3단계(3) third stage

보강대상 바탕면(620)과 섬유강화패널(400) 사이의 간격을 유지하는 스페이서(660)를 설치하고 섬유강화패널(400)의 외부로 돌출된 앵커볼트(640)의 상단부에 너트(650)를 체결하는 단계이다.The spacer 660 is installed to maintain a gap between the base surface 620 of the reinforcement target and the fiber reinforced panel 400, and the nut 650 is provided at the upper end of the anchor bolt 640 protruding to the outside of the fiber reinforced panel 400. Step to fasten.

즉 와샤형태의 스페이서(660)를 앵커볼트(640)에 삽입하고 난 후 앵커볼트(640)가 섬유강화패널(400)에 형성된 앵커홀을 통과하도록 한 후 섬유강화패널(400)의 외부로 돌출된 앵커볼트(640)의 상단부에 너트(650)를 체결하여 섬유강화패널(400)이 일정한 간격을 유지한 상태로 보강대상 바탕면(620)에 결합된다.That is, after inserting the washer-shaped spacer 660 into the anchor bolt 640, the anchor bolt 640 passes through the anchor hole formed in the fiber reinforced panel 400, and then protrudes to the outside of the fiber reinforced panel 400. The nut 650 is fastened to the upper end of the anchor bolt 640, the fiber reinforced panel 400 is coupled to the reinforcement target surface 620 while maintaining a constant interval.

(4) 제4단계(4) 4th step

보강대상 바탕면(620)과 섬유강화패널(400)의 테두리 사이에 에폭시주입구(670)와 공기배출구(680)를 설치하고 보강대상 바탕면(620)과 섬유강화패널(400)의 테두리 사이의 간격을 PE-700이라는 에폭시밀봉제(690)로 밀봉하는 단계이다.Between the base of the reinforcement target surface 620 and the fiber reinforced panel 400, an epoxy inlet 670 and the air outlet 680 is installed between the base of the reinforcement target surface 620 and the fiber reinforced panel 400 The gap is sealed with an epoxy sealant 690 called PE-700.

보강대상 바탕면(620)과 섬유강화패널(400) 사이의 공극(간격)은 3 내지 5 mm 정도를 유지하며 에폭시밀봉제(690)는 에폭시주입구(670)를 통하여 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 내부공간으로 주입되는 에폭시접착제(630)의 유실이 발생되지 않도록 빈틈없이 밀봉한다.The void (spacing) between the reinforcement target base surface 620 and the fiber reinforced panel 400 is maintained at about 3 to 5 mm, and the epoxy sealant 690 is reinforced base surface 620 through the epoxy inlet 670. It is sealed tightly so that the loss of the epoxy adhesive 630 injected into the inner space between the fiber reinforced panel 400 is not generated.

에폭시주입구(670)는 1 미터(m) 내외의 간격으로 설치하며, 공기배출구(680) 의 단부는 에폭시접착제(630)가 주입되는 면보다 상부에 위치하도록 설치하여 주입되는 에폭시접착제(630)가 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 내부공간에 밀실하게 충진되도록 한다.Epoxy inlet 670 is installed at intervals of about 1 meter (m), the end of the air outlet 680 is installed so that the epoxy adhesive 630 injected to be installed above the surface where the epoxy adhesive 630 is injected is reinforced The interior space between the target base surface 620 and the fiber reinforced panel 400 is tightly filled.

(5) 제5단계(5) 5th step

에폭시접착제(630)를 에폭시주입구(670)를 통하여 주입하여 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 내부 공간을 밀실하게 채워주는 단계이다.The epoxy adhesive 630 is injected through the epoxy inlet 670 to tightly fill the internal space between the reinforcement target surface 620 and the fiber reinforced panel 400.

에폭시주입구(670)를 통하여 PE-500이라는 에폭시접착제(630)를 밀실하게 주입하는데, 에폭시접착제(630)의 점도를 감안하여 주입속도를 절절히 조절한다.Epoxy adhesive 630, called PE-500, is tightly injected through the epoxy inlet 670, and the injection speed is appropriately adjusted in view of the viscosity of the epoxy adhesive 630.

1차 주입 후 보강대상 바탕면(620)으로 스며드는 에폭시접착제(630)의 손실로 인하여 밀실하게 주입되지 않을 경우 2차 주입을 실시한다.After the first injection, if not tightly injected due to the loss of the epoxy adhesive 630 that penetrates to the base surface 620 to be reinforced, the second injection is performed.

이와 같이 주입이 완료되면 양생시간을 준수하여 양생하며, 현장정리 및 검수 후 시공을 완료한다.When the injection is completed, the curing time is observed and the construction is completed after the site cleanup and inspection.

상기한 바와 같이 본 발명의 구체적 실시예를 참조하여 본 발명의 기술적 사상을 설명하였으나, 본 발명의 보호범위가 반드시 이러한 실시예에 한정되는 것은 아니며 본 발명의 기술적 요지를 변경하지 않는 범위 내에서 다양한 설계변경, 공지기술의 부가나 삭제, 단순한 수치한정 등의 경우에도 본 발명의 보호범위에 속함을 분명히 한다.As described above, the technical spirit of the present invention has been described with reference to specific embodiments of the present invention, but the protection scope of the present invention is not necessarily limited to these embodiments, and various modifications may be made without departing from the technical spirit of the present invention. In the case of design changes, addition or deletion of well-known technologies, simple numerical limitations, etc., the scope of protection of the present invention is also clarified.

도1은 본 발명에 따른 난연성 복합섬유 보강판(10)의 구체적 실시예들로서, (a)는 일측 외부면에만 접착강화요철부(300)가 형성된 경우이고, (b)는 접착강화골재가 더 부착된 경우이고, (c)는 양측 외부면에 접착강화요철부(300)가 형성된 경우이다.Figure 1 is a specific embodiment of the flame retardant composite fiber reinforcement plate 10 according to the present invention, (a) is the case where the adhesion-reinforcement uneven portion 300 is formed only on one side of the outer surface, (b) is more adhesion-reinforced aggregate (C) is the case where the adhesion-reinforcement uneven portion 300 is formed on both outer surfaces.

도2(a)는 보강용안전벨트(100)의 제조 과정(방법)을 도시하고 있고, 도2(b)는 보강용안전벨트(100)를 이용하여 난연성 복합섬유 보강판(10)을 제조하는 과정(방법)을 도시하고 있다.Figure 2 (a) shows the manufacturing process (method) of the reinforcing seat belt 100, Figure 2 (b) to manufacture a flame retardant composite fiber reinforcing plate 10 using the reinforcing seat belt 100. The process is shown.

도3은 본 발명인 난연성 복합섬유 보강판(10)의 방염원단층(500) 및 일방향섬유층(200)의 파괴 과정에서 보강용안전벨트(100)가 급격한 취성파괴를 방지하는 것을 보여주는 단면도이다.3 is a cross-sectional view showing that the reinforcing seat belt 100 prevents sudden brittle fracture in the process of breaking the flame retardant fabric layer 500 and the unidirectional fiber layer 200 of the flame retardant composite fiber reinforcing plate 10 of the present invention.

도4는 본 발명인 난연성 복합섬유 보강판(10)을 이용한 보강공법의 구체적 실시예이다.Figure 4 is a specific embodiment of the reinforcement method using the flame retardant composite fiber reinforcement plate 10 of the present invention.

도5는 본 발명인 난연성 복합섬유 보강판(10)을 이용한 보강공법의 다른 구체적 실시예이다.5 is another specific embodiment of the reinforcing method using the flame retardant composite fiber reinforcing plate 10 of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

100:보강용안전벨트100: reinforced seat belt

200:일방향섬유층200: unidirectional fiber layer

300:접착강화요철부300: adhesive reinforced concave-convex portion

500:방염원단층500: flame retardant monolayer

10:안전벨트가 내장된 난연성 복합섬유 보강판(난연성 복합섬유 보강판)10: Flame retardant composite fiber reinforcement plate with built-in seat belt (flame retardant composite fiber reinforcement plate)

620:보강대상 바탕면620: the base surface to be reinforced

630:에폭시접착제630: epoxy adhesive

640:앵커볼트640: anchor bolt

650:너트650: nuts

Claims (6)

평벨트 형태로 직조되고 난연성 수지에 함침되어 인발성형되는 보강용안전벨트(100);Reinforcing safety belt 100 is woven in the form of a flat belt and impregnated in a flame-retardant resin is pulled out; 난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)의 상부면 및 하부면 각각에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 일방향섬유층(200);One-way fiber layer 200 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on each of the upper and lower surfaces of the reinforcing safety belt 100 is impregnated with a flame-retardant resin first; 하부에 위치하는 상기 일방향섬유층(200)의 하부면에 난연성 수지에 함침된 상태로 길이 방향으로 적층되는 방염원단층(500); 및,Flame retardant fabric layer 500 is laminated in the longitudinal direction in the state impregnated in the flame-retardant resin on the lower surface of the one-way fiber layer 200 located in the lower portion; And, 적층이 완료된 상부 외부면, 또는 상하부 외부면의 양측에 형성되는 접착강화요철부(300);Adhesion strengthening concave portion 300 is formed on both sides of the upper outer surface, or the upper and lower outer surface is laminated; 를 포함하여 구성되는 것을 특징으로 하는 안전벨트가 내장된 난연성 복합섬유 보강판.Flame retardant composite fiber reinforcement plate with a seat belt, characterized in that comprises a. 제1항에서, 상기 보강용안전벨트(100)는,In claim 1, the seat belt for reinforcement 100, 탄소섬유, 아라미드섬유, 폴리프로필렌섬유, 폴리에틸렌섬유, 또는 폴리아세탈섬유 가운데 어느 하나가 선택되고,Any one of carbon fiber, aramid fiber, polypropylene fiber, polyethylene fiber, or polyacetal fiber, 상기 일방향섬유층(200)은 상기 보강용안전벨트(100)를 구성하는 섬유보다 연신율이 작은 탄소섬유, 유리섬유 또는 아라미드섬유 가운데 어느 하나인 것을 특징으로 하는 안전벨트가 내장된 난연성 복합섬유 보강판. The one-way fiber layer 200 is a flame-retardant composite fiber reinforcement plate with a seat belt, characterized in that any one of carbon fiber, glass fiber or aramid fiber having a smaller elongation than the fiber constituting the reinforcing seat belt 100. 제1항 또는 제2항에서,The method of claim 1 or 2, 다수 장의 상기 보강용안전벨트(100)가 상기 일방향섬유층(200) 사이에 중첩되도록 적층되는 구조인 것을 특징으로 하는 안전벨트가 내장된 난연성 복합섬유 보강판.The flame retardant composite fiber reinforcement plate with a seat belt, characterized in that the structure is laminated so that the plurality of reinforcing seat belts 100 overlap between the one-way fiber layer 200. 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)을 포함하여 구성되는 안전벨트가 내장된 난연성 복합섬유 보강판을 제조하는 방법에 관한 것으로서,Regarding a method for manufacturing a flame retardant composite fiber reinforcement plate with a seat belt configured to include a reinforcing seat belt 100, a unidirectional fiber layer 200 and a flame retardant fabric layer 500, 보강용안전벨트(100)를 구성하는 평벨트 형태로 직조된 섬유를 난연성 수지에 함침하고 인발성형하는 1차성형단계;First molding step of impregnating the fiber woven in the form of a flat belt constituting the reinforcing seat belt 100 in the flame-retardant resin and pultrusion; 난연성 수지에 함침되어 1차 경화된 상기 보강용안전벨트(100)와 함께 일방향섬유층(200)을 구성하는 일방향섬유 및 방염원단층(500)을 구성하는 방염원단을 난연성 수지에 함침하는 함침단계; 및,An impregnation step of impregnating a flame retardant fabric constituting a unidirectional fiber and a flame retardant fabric layer 500 together with the reinforcing safety belt 100 hardened by impregnating a flame retardant resin and a unidirectional fiber layer 200; And, 함침단계를 거친 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)의 일측 또는 양측 외부면에 접착강화요철부(300)의 단면이 형성되도록 인발하여 몰드를 통과시키면서 가열하는 인발성형단계: Pulled through the mold by drawing so that the cross-section of the adhesive reinforcing concave portion 300 is formed on one or both outer surfaces of the reinforcing seat belt 100, the unidirectional fiber layer 200, and the flame retardant fabric layer 500 after the impregnation step. Pultrusion stages: 를 포함하여 구성되는 것을 특징으로 하는 폴리프로필렌 안전벨트가 내장된 난연성 복합섬유 보강판의 제조방법.Method for producing a flame retardant composite fiber reinforcement plate with a polypropylene seat belt, characterized in that comprising a. 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)을 포함하여 구성되는 안전벨트가 내장된 난연성 복합섬유 보강판(10)을 이용한 콘크리트구조물 보강공법에 관한 것으로서,Regarding the concrete structure reinforcement method using a flame-retardant composite fiber reinforcement plate 10 with a seat belt including a reinforcing seat belt 100, one-way fiber layer 200 and flame retardant layer 500, 열화, 노화, 또는 중성화 등의 이유로 부실화된 콘크리트 표면을 제거하고 보강대상 바탕면(620)을 형성하는 제1단계; A first step of removing the injured concrete surface due to deterioration, aging, neutralization, etc. and forming a base surface 620 to be reinforced; 보강대상 바탕면(620)에 에폭시접착제(630)를 공극이 발생되지 않도록 골고루 도포하는 제2단계;A second step of evenly applying the epoxy adhesive 630 to the reinforcement target surface 620 so that no void is generated; 난연성 복합섬유 보강판(10)의 요철면(410)에 에폭시접착제(630)를 공극이 발생되지 않도록 골고루 도포하는 제3단계;A third step of evenly applying the epoxy adhesive 630 to the uneven surface 410 of the flame retardant composite fiber reinforcing plate 10 such that voids do not occur; 난연성 복합섬유 보강판(10)의 요철면(410)을 보강대상 바탕면(620)에 밀착시키는 제4단계;A fourth step of bringing the uneven surface 410 of the flame retardant composite fiber reinforcing plate 10 into close contact with the base surface 620 to be reinforced; 난연성 복합섬유 보강판(10)을 관통하여 보강대상 바탕면(620)에 앵커홀을 천공하고 앵커볼트(640)를 설치하는 제5단계; 및,A fifth step of drilling the anchor hole through the flame retardant composite fiber reinforcing plate 10 and installing the anchor bolt 640 in the base surface 620 to be reinforced; And, 난연성 복합섬유 보강판(10)의 외부로 돌출된 앵커볼트(640)의 상단부에 너트(650)를 체결하는 제6단계; A sixth step of fastening the nut 650 to the upper end of the anchor bolt 640 protruding to the outside of the flame retardant composite fiber reinforcing plate 10; 를 포함하여 구성되는 것을 특징으로 하는 안전벨트가 내장된 난연성 복합섬유 보강판(10)을 이용한 콘크리트구조물 보강공법.Concrete structure reinforcement method using a flame retardant composite fiber reinforcing plate (10) with a seat belt, characterized in that comprising a. 보강용안전벨트(100), 일방향섬유층(200) 및 방염원단층(500)을 포함하여 구성되는 안전벨트가 내장된 난연성 복합섬유 보강판(10)을 이용한 콘크리트구조물 보강공법에 관한 것으로서,Regarding the concrete structure reinforcement method using a flame-retardant composite fiber reinforcement plate 10 with a seat belt including a reinforcing seat belt 100, one-way fiber layer 200 and flame retardant layer 500, 열화, 노화, 또는 중성화 등의 이유로 부실화된 콘크리트 표면을 제거하고 보강대상 바탕면(620)을 형성하는 제1단계; A first step of removing the injured concrete surface due to deterioration, aging, neutralization, etc. and forming a base surface 620 to be reinforced; 섬유강화패널(400)을 관통하여 보강대상 바탕면(620)에 앵커홀을 천공하고 앵커볼트(640)를 설치하는 제2단계;A second step of drilling the anchor hole through the fiber reinforced panel 400 and installing the anchor bolt 640 in the base surface 620 to be reinforced; 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 간격을 유지하는 스페이서(660)를 설치하고 섬유강화패널(400)의 요철면(401)이 보강대상 바탕면(620)을 향하도록 섬유강화패널(400)을 부착하고 섬유강화패널(400)의 외부로 돌출된 앵커볼트(640)의 상단부에 너트(650)를 체결하는 제3단계;A spacer 660 is provided to maintain a gap between the base surface 620 of the reinforcement object and the fiber reinforced panel 400, and the uneven surface 401 of the fiber reinforced panel 400 faces the base surface 620 of the reinforcement object. Attaching the fiber reinforced panel 400 and fastening the nut 650 to the upper end of the anchor bolt 640 protruding to the outside of the fiber reinforced panel 400; 보강대상 바탕면(620)과 섬유강화패널(400)의 테두리 사이에 에폭시주입구(670)와 공기배출구(680)를 설치하고 보강대상 바탕면(620)과 섬유강화패널(400)의 테두리 사이의 간격을 에폭시밀봉제(690)로 밀봉하는 제4단계; 및,Between the base of the reinforcement target surface 620 and the fiber reinforced panel 400, an epoxy inlet 670 and the air outlet 680 is installed between the base of the reinforcement target surface 620 and the fiber reinforced panel 400 Sealing the gap with an epoxy sealant 690; And, 에폭시접착제(630)를 에폭시주입구(670)를 통하여 주입하여 보강대상 바탕면(620)과 섬유강화패널(400) 사이의 내부 공간을 밀실하게 채워주는 제5단계;Injecting the epoxy adhesive 630 through the epoxy injection hole 670 to tightly fill the internal space between the reinforcement target surface 620 and the fiber reinforced panel 400; 를 포함하여 구성되는 것을 특징으로 하는 안전벨트가 내장된 난연성 복합섬유 보강판(10)을 이용한 콘크리트구조물 보강공법.Concrete structure reinforcement method using a flame retardant composite fiber reinforcing plate (10) with a seat belt, characterized in that comprising a.
KR1020090023533A 2009-03-19 2009-03-19 Fire Retardant Composite Fiber Reinforcing Panel including Safety Belt, Manufacturing Method, and Concrete Structure Reinforcing Method using thereof KR101035514B1 (en)

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